BG4 Breathing Loop

Question 1

What is the purpose of the COz scrubber canister in the BG4 breathing loop?

Answer 1

Removes carbon dioxide from exhaled air

This is essential for maintaining breathable air during prolonged use.

Question 2

How is inhaled air treated in the BG4 system?

Answer 2

Cooled by the air cooler and replenished with O2

This process ensures that the air is suitable for breathing.

Question 3

What are the main components of the BG4 breathing loop?

Answer 3

• Facemask
• Connector assembly
• Exhalation/inhalation hoses
• COz scrubber canister
• Breathing bag
• Pressure relief valve
• Moisture relief valve
• Air cooler

Each component plays a crucial role in the effectiveness of the breathing system.

Question 4

True or False: The BG4 breathing loop operates in an open system.

Answer 4

False

The BG4 operates in a closed breathing loop.

Question 5

Fill in the blank: The _______ is used to manage excess pressure in the BG4 breathing loop.

Answer 5

Pressure relief valve

This valve prevents overpressure situations that can occur during breathing.

Question 6

What is the function of the moisture relief valve in the BG4 system?

Answer 6

Removes excess moisture from the breathing loop

This is important to prevent condensation that could affect the system.

Question 7

What role does the breathing bag serve in the BG4 breathing loop?

Answer 7

Acts as a reservoir for inhaled air

This allows for a consistent supply of air to the user.